Toyota Prius 2013–2014 — technical service bulletin
Bulletin T-TT-0270-13 · NHTSA communication 10132079 · issued Nov 2, 2013
Technical service bulletin
communication type
Engine and Engine Cooling
component
2013–2014
model years
2
vehicle entries
Official summary
Divers of 2013, 2014 Prius vehicles may notice a warning message appear in the multi information display. The warning pertains to diminished performance of the HV Battery Cooling system, possibly due to air flow restriction.
Vehicles covered
What a TSB means. Technical service bulletins are repair guidance manufacturers send to dealers — they are not recalls, and repairs are not automatically free (warranty extensions are an exception worth checking). The full document is available via NHTSA’s vehicle lookup.